Method for controlling dual lamp module
US7824038B2 · kind B2 · utility
6Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2007 |
| Grant date | Nov 2, 2010 |
| Priority date | — |
| Expiry date | Jan 22, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/16
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method for controlling a dual lamp module applied to a projection apparatus is provided. The dual lamp module includes a first lamp and a second lamp. The method for controlling a dual lamp module includes providing a first operating power to the first lamp, and then determining whether the first lamp is turned on or not. If the first lamp fails to be turned on, stopping providing the first operating power to the first lamp, and providing a second operating power to the second lamp. The second operating power is greater than the first operating power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.